CVE-2020-7925: MongoDB

High severity, CVSS 7.5. EPSS: 1.7% chance of exploitation in the next 30 days.

Incorrect validation of user input in the role name parser may lead to use of uninitialized memory allowing an unauthenticated attacker to use a specially crafted request to cause a denial of service. This issue affects MongoDB Server v4.4 versions prior to 4.4.0-rc12; MongoDB Server v4.2 versions prior to 4.2.9.

Affected products

• MongoDB MongoDB: from 4.2.0, before 4.2.9 (fixed in 4.2.9); version 4.4.0 only

Published 2020-11-23. Last modified 2026-06-17.